Chair base or similar article



FIG. 1 is a perspective view of a chair base or similar article showing my design;

FIG. 2 is an enlarged fragmentary view showing the top of one leg extension in greater detail; and

FIG. 3 is a side elevational view thereof.

FIG. 4 is an enlarged elevational view showing the end of one leg extension in greater detail.

The sides of the leg extensions not shown are mirror images of the sides shown.

The design is characterized by the combination of features on the leg extensions shown and is comprised of the spaced rib members, the tapered top and segmented appearance of the sides all as best illustrated in FIGS. 2, 3 and 4. 

The ornamental design for a chair base or similar article, as shown and described. 